Plebejus tancrei Graeser, 1888 (= Lycaeides tancrei).

Range: East Siberia, the lower Amurland, Kamchatka.

ssp.: kamtchatica (Kurenzov, 1970); range: Kamchatka.

Playing male and female; wings open.

A detritous montane tundra on the SW side of a ring mountain range circling the Ksudach Caldera, Elizovo District, South Kamchatka, Russia. 21 August 1991. O. Kosterin.